IEC 62443
IEC 62443-3-3:2013 system security requirements and security levels – IEC 62443

IEC 62443 SR 7.7: Least functionality

What does SR 7.7 require?

The control system must be able to specifically prohibit or restrict the use of functions, ports, protocols and services that are not needed. No enhancement.

Maintained by Gerard BlokdykControl text last updated

Other controls in IEC 62443-3-3:2013 system security requirements and security levels – IEC 62443

Query this from an agent

The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.